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BARC OCES 2022 Quiz 4

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Question 1

An 8085 processor has register contents and before the execution of instruction PUSH B. The value of and the content of the Stack Top after the execution of the instruction respectively are

Question 2

The vector statement of Gauss's law is given as:

Question 3

The diodes and capacitors in the circuit shown are ideal. The voltage v(t) across the diode D1 in steady state is

Question 4

Calculate the surface integral of the vector F(x, y, z) = (2x2y, xz2, 4yz) Where S is the surface of the rectangular box bounded by the planes x = 0 to x = 1, y = 0 to y = 2, z = 0, to z = 3.

Question 5

From the below given Nyquist plot, calculate the number of open loop poles on the right hand side of s-plane for the closed loop system to be stable.

Question 6

The Zener regulator circuit shown below consists of Si based Zener diode and Ge diode. The cut-in Voltage of Ge diode is 0.2 Volts, whereas cut-in Voltage of Si-diode is 0.7 Volts.

The output voltage (Vo) of the Zener regulator circuit is

Question 7

Consider the resistive network shown below, the value of Norton current across the terminal AB

Question 8

The probability density function of a random variable x is shown in figure below

If another random variable Y = 2X, then PDF for Y will be,

Question 9

A data sequence x[n] = {1, 2, 3, 4, 5} passes through a linear time-invariant system with impulse response h[n] = {5, 4, 3, 2, 1}. The output of the filter will be

Question 10

A speech signal, band limited to 5 KHz with peak to peak between +10 V to – 10 V and the signal is sampled at Nyquist rate and the bits 0 and 1 are transmitted using bipolar pulses. What is minimum bandwidth for distortion free transmission …. (in KHz)
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Jan 20ESE & GATE EC